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DE2336867A1
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Stabilised optical device - stabilises image in case of accidental movement of device using moving mirrors
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US3827798A
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Optical element of reduced thickness
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IL41074D0
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Optical stabilizer
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ZA7208819B
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Optical stabilizer having space referenced motion
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US3711178A
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Mirror stabilizer having space referenced motion
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US3479108A
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Displaced image reflecting optical stabilized system
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US3532409A
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Hydrostatically-supported optical stabilizer
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US3531176A
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Multiple telescope stabilizing optical system
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US3473861A
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Accidental-motion compensation for optical devices
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US3475074A
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Accidental-motion compensation with collimated light
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US3507565A
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Variable-power lens and system
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US3475073A
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Accidental-motion compensation by triple reflection
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US3437397A
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Double-mirror system for optical stabilization
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US3437396A
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Optical stabilization with roof mirror
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US3468595A
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Optical stabilization by reflecting means
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US3468596A
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Stabilized zoom optical device
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FR1536174A
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Variable wattage two element spherical lens
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GB1120968A
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Improvements in lenses having focal lengths varying over their surfaces
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US3305294A
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Two-element variable-power spherical lens
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US3299768A
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Optical range finder with variableangle exponential prism
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